Game 3d model, environment and concept art design

I need experienced game developer team who can do 3d model, environment design and UI design.

we need game designer team who can.
1) 3d tank model
2) environment design (map)
3) game UI design

reference
https://play.google.com/store/apps/details?id=com.pandaarcade.picotanks

6 tank model and environment design

This is multiplayer tank game.

Timeline is asap and model is low poly
Thanks